CN107693171A - Thoracolumbar disk Invasive lumbar fusion device - Google Patents
Thoracolumbar disk Invasive lumbar fusion device Download PDFInfo
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- CN107693171A CN107693171A CN201710987088.4A CN201710987088A CN107693171A CN 107693171 A CN107693171 A CN 107693171A CN 201710987088 A CN201710987088 A CN 201710987088A CN 107693171 A CN107693171 A CN 107693171A
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- 230000004927 fusion Effects 0.000 title claims abstract description 118
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 36
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 10
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 238000007639 printing Methods 0.000 claims abstract description 3
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 210000003734 kidney Anatomy 0.000 claims description 3
- 210000000515 tooth Anatomy 0.000 claims 7
- 239000000203 mixture Substances 0.000 claims 1
- 230000008467 tissue growth Effects 0.000 abstract 1
- 108010048734 sclerotin Proteins 0.000 description 11
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 210000000845 cartilage Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of Thoracolumbar disk Invasive lumbar fusion device, the Invasive lumbar fusion device be by 3D printer by the structural member of titanium alloy material one printing shaping, by up/down perforation fusion device body and be fused device body and surround formed bone graft area and form;It is intensive in up and down and back and forth direction in the annular wall of fusion device body to be provided with through hole;Flank of tooth grooving is also preferably equipped with the annular wall of fusion device body;The left wall of fusion device body is preferably provided with slot device and instrument hole, and the inner surface of right wall is preferably provided with blind hole.Thoracolumbar disk Invasive lumbar fusion device intensity provided by the invention is higher, and the porosity of fusion device body reaches 50% to 80%, is advantageous to bone tissue growth, disclosure satisfy that the demand of fusion between Thoracolumbar disk.
Description
Technical field
The present invention relates to the implant for vertebrae, belongs to fixed network in intervertebral fusion, and in particular to a kind of chest waist
Vertebra fusion device.
Background technology
With the aging of China human mortality, the incidence of degenerative diseases of lumbar vertebrae and other lesions is gradually increasing, because of regression
Cause lumber spondylolisthesis or shakiness and other disc diseases, it is necessary to carry out interbody fusion.
Chinese patent literature CN204581605U(Application number 201520265012.7)A kind of Invasive lumbar fusion device is disclosed, is wrapped
The fusion device body of approximate cuboid is included, the bone grafting hole penetrated vertically is provided with the fusion device body, fusion device body
Upper and lower surface is evenly arranged with teeth.The front end face of fusion device body is gradually slipped over to contract by rounding marginal ray
Cross, the rear end face of fusion device body is provided with implantation positioning hole and implantation locating slot.Two side hollow outs of fusion device body run through,
Hollow part is provided with growth net.Wherein titanium alloy growth net plays skeletal support effect, substantially increases tangential stress-bearing capability.Separately
Outside, the teeth of the fusion device upper and lower surface are arranged to the key groove being engaged with human vertebra flexibility, improve fusion device peace
The steadiness and axially loaded ability of dress so that the use that the fusion device can be steady in a long-term, and reduce foreign body sensation, it is ensured that
The surgical quality of interbody fusion.Invasive lumbar fusion device bulk material disclosed in the utility model is polyether-ether-ketone PEEK, only its
Growth net is titanium alloy reticulated.Also the skeletal support of fusion device is mentioned in the document needs the support of titanium alloy growth net, in fact
The modulus of elasticity of polyether-ether-ketone PEEK materials is much smaller than titanium alloy material, i.e., integrally-built stability can be caused to protect
Card, while the growth net of hollow out is only provided with the both sides being oppositely arranged, it is unfavorable for the needs for meeting the open growth of sclerotin.
The content of the invention
It is an object of the invention to solve the above problems, there is provided a kind of intensity for Thoracolumbar disk intervertebral is preferably and after surgery
To the preferable Thoracolumbar disk Invasive lumbar fusion device of growth result of sclerotin etc..
The technical solution adopted for the present invention to solve the technical problems is:The Thoracolumbar disk Invasive lumbar fusion device of the present embodiment is logical
3D printer is crossed by the structural member of titanium alloy material one printing shaping.The Invasive lumbar fusion device by up/down perforation fusion device body
And be fused device body surround formed oval Column bones of grafting district's groups into.Fusion device body is by the different annular wall of wall thickness
Form.Shape likeness in form kidney ellipsoid is enclosed in the periphery of fusion device body, and the porosity of fusion device body reaches 50% to 80%.Melt
The annular wall of clutch body includes antetheca, left wall, rear wall and the right wall being sequentially connected, and right wall is connected with antetheca again, wherein, antetheca
It is identical with the wall wide of rear wall, it is H1;Left wall is identical with the wall wide of right wall, is H3, and H3 is more than H1.Outside fusion device body
Surface is divided into bone graft area surface and non-bone graft area surface, and non-bone graft area surface can be divided into upper surface, lower surface and a front and rear left side
Right surrounded surface.The inner surface of fusion device body is by the respective inner surface of antetheca, left wall, rear wall and right wall successively phase
Connect and the inner surface of right wall is connected and formed with antetheca inner surface.The inner surface of fusion device body is bone graft area surface.
In the annular wall of described fusion device body intensive setting through hole to be front and rear to through hole and upward and downward through hole;Institute
The upward and downward through hole stated is arranged in the annular wall of fusion device body along the vertical direction, and all upward and downward through holes are uniformly distributed,
The upper port of each upward and downward through hole is set on an upper, and the lower port of each upward and downward through hole is set on the lower surface;Described
It is front and rear to be arranged on antetheca and be arranged on rear wall along the longitudinal direction to through hole.
The fixing tooth of multiple anti-backs is each respectively equipped with the upper and lower surface of described fusion device body.
The annular wall of described fusion device body is provided with several flank of tooth groovings, is symmetric in the lower surface of annular wall
With on upper surface;On the lower surface of non-bone graft area, two flank of tooth groovings are provided with along the longitudinal direction, and be located at and close on left wall
On lower surface;Three flank of tooth groovings are additionally provided with the lower surface of non-bone graft area in left-right direction, two of which is located at faces respectively
Nearby it is parallel to each other on the lower surface of wall and rear wall, also one positioned at closing on the lower surface of right wall and be set in parallel in addition
Two flank of tooth groovings;In addition, it is arranged with corresponding two sagittal teeth relative to lower surface on the upper surface of non-bone graft area
Face grooving and three or so to flank of tooth grooving.
The fusion device it is front and rear to wall wide be H1, width 4-6mm;It is front and rear to beam overall be H2, width 18-26mm;It is left
Dextrad wall wide is H3, width 10-16mm;Left and right to beam overall be H4, width 80-120mm.
The left wall of described fusion device body is provided with two symmetrical slot devices, and the central part of two slot devices is also set
There is an instrument hole, described instrument hole is the through hole of insertion left wall.
The inner surface of the right wall of the annular wall of described fusion device body is provided with two along the front and rear rectangle to setting
Blind hole, be distributed according to above-below direction between two blind holes.
The good effect that the present invention has:(1)The fusion device body of Thoracolumbar disk Invasive lumbar fusion device provided by the invention has
The physiologic radian profile matched is wanted between Thoracolumbar disk, the mechanical support at initial stage is implanted into for Thoracolumbar disk Invasive lumbar fusion device, is had excellent
Different antifatigue mechanical property;And the phase coordinates the bone grafting of all directions set on fusion device body after the implantation for bone graft area
Hole, the regeneration and reconstruction of sclerotin can be preferably completed, the life at Thoracolumbar disk position is cooperatively undertaken with fusion device body construction
Manage load.(2)The porosity of the fusion device body of the Thoracolumbar disk Invasive lumbar fusion device of the present invention reaches 50% to 80%, and this to merge
Device body has the presence that all directions have bone grafting hole, actually a fusion device inherently open space structure, tool
There is the possibility that sclerotin can be allowed to extend on late growing stage to all directions, can preferably allow Thoracolumbar disk Invasive lumbar fusion device to melt
Enter intervertebral.(3)The present invention Thoracolumbar disk Invasive lumbar fusion device fusion device body due to there is the presence that all directions have bone grafting hole,
So that originally due to being that the integrally formed fusion device structure of titanium alloy has certain elasticity, script titanium alloy material bullet compensate for
Property modulus too high the defects of bringing damage to sclerotin.(4)The fusion device body of the Thoracolumbar disk fusion device of the present invention is closing on the right side
The fusion device of wall is internally provided with blind hole, and these blind holes are mainly used in after fusion device is attached in human body, with the life of sclerotin
Long, part sclerotin can enter blind hole, be attached on fusion device, sclerotin be better achieved and is combined with fusion device.(5)The present invention's
The annular wall of Thoracolumbar disk fusion device body is provided with several flank of tooth groovings, and such setting adds contact of the flank of tooth with spinal bone
, prevent the loosening of fusion device and come off.
Brief description of the drawings
Fig. 1 is a kind of schematic perspective view of the Thoracolumbar disk Invasive lumbar fusion device of the present invention.
Fig. 2 is the schematic perspective view for obtaining Fig. 1 along after Plane Rotation 180 degree where drawing.
Fig. 3 is Fig. 1 schematic top plan view.
Fig. 4 is Fig. 1 front-view schematic diagram.
Fig. 5 is Fig. 1 left view schematic diagram.
Fig. 6 is along the schematic diagram after the A-A faces section view in Fig. 3, and the A-A faces in figure are vertical with paper.
Fig. 7 is that the solid for the T1-S1 intervertebrals that the Thoracolumbar disk Invasive lumbar fusion device shown in 2 Fig. 2 is placed on into human vertebra is shown
It is intended to.
Reference in above-mentioned accompanying drawing is as follows:
Fusion device 1, upper surface 11, lower surface 12, antetheca 13, left wall 14, slot device 14-1, instrument hole 14-2, rear wall 15, right wall
16, oval Column bones of grafting area 17, bone grafting hole 18 is front and rear front and rear to wall to through hole 18-1, upward and downward through hole 18-2, fixing tooth 19
Wide H1, front and rear to overall length H2, left and right is to wall wide H3, and left and right is to overall length H4, flank of tooth grooving 20, blind hole 21.
Embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings:Following examples using technical solution of the present invention as
Under the premise of implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
(Embodiment 1)
See Fig. 1 to Fig. 3, the Thoracolumbar disk Invasive lumbar fusion device of the present embodiment is integrally to be printed as titanium alloy material by 3D printer
The structural member of type.The Invasive lumbar fusion device by up/down perforation fusion device body 1 and be fused device body 1 and surround formed waist
Cylindrical bone graft area 17 forms.Fusion device body 1 is made up of the different annular wall of wall thickness.Enclosed the periphery of fusion device body 1
Shape is similar to kidney ellipsoid, and the porosity of fusion device body 1 reaches 50% to 80%.The annular wall of fusion device body 1 include according to
Secondary connected antetheca 13, left wall 14, rear wall 15 and right wall 16, right wall 16 are connected with antetheca 13 again, wherein, antetheca 13 and rear wall 15
Wall wide it is identical, be H1;Left wall 14 is identical with the wall wide of right wall 16, is H3, and H3 is more than H1.Outside fusion device body 1
Surface is divided into bone graft area surface and non-bone graft area surface, and non-bone graft area surface can be divided into upper surface 11, lower surface 12 and preceding
The surrounded surface of left and right afterwards.The inner surface of fusion device body 1 is by the respective of antetheca 13, left wall 14, rear wall 15 and right wall 16
Inner surface is sequentially connected and the inner surface of right wall 16 is connected and formed with the inner surface of antetheca 13.Fusion device body 1 it is interior
Surface is bone graft area surface.
The annular wall of fusion device body 1 is provided with the through hole of intensive setting, including front and rear leads to through hole 18-1 and upward and downward
Hole 18-2;Wherein upward and downward through hole 18-2 is arranged in the annular wall of fusion device body 1 along the vertical direction, all upward and downward through holes
18-2 is uniformly distributed, and each upward and downward through hole 18-2 upper port is arranged on upper surface 11, each upward and downward through hole 18-2 lower end
Mouth is arranged on lower surface 12;It is described front and rear to be arranged on along the longitudinal direction on antetheca 13 to through hole 18-1 and be arranged on rear wall 15
On.
As shown in figure 4, each it is respectively equipped with multiple anti-backs on the upper surface 11 and lower surface 12 of described fusion device body 1
Fixing tooth 19.
See Fig. 1 and Fig. 2, the annular wall of fusion device body 1 is provided with several flank of tooth groovings 20, is symmetric in annular wall
Lower surface 12 and upper surface 11 on;On the lower surface 12 of non-bone graft area, two flank of tooth groovings 20 are provided with along the longitudinal direction,
And it is located at and closes on the lower surface 12 of left wall 14;Three flank of tooth are additionally provided with the lower surface 12 of non-bone graft area in left-right direction to cut
Groove 20, two of which is respectively positioned at closing on the lower surface 12 of antetheca 13 and rear wall 15 and be parallel to each other, and also one positioned at facing
On the lower surface 12 of nearly right wall 16 and it is set in parallel in two other flank of tooth grooving 20.In addition, on the upper surface 11 of non-bone graft area
Relative to lower surface 12 be arranged with corresponding two sagittal flank of tooth groovings 20 and three or so to flank of tooth grooving 20.Tooth
The setting of face grooving 20 is mainly used for increasing the contact area of the flank of tooth and spinal bone, prevents the loosening of fusion device and comes off.
As shown in figure 3, fusion device in the present embodiment it is front and rear to wall wide H1 be 5mm, it is front and rear to overall length H2 be 22mm, left and right
Be 12mm to wall wide H3, left and right to overall length H4 be 90mm.
As shown in figure 5, described left wall 14 is provided with two symmetrical slot device 14-1, the two slot devices 14-1 center
It is the through hole of insertion left wall 14 that position, which is provided with instrument hole a 14-2, described instrument hole 14-2,.Such setting is for convenience
Coordinate means of delivery that fusion device 1 is sent into intervertebral specified location.
As shown in fig. 6, two are provided with the inner surface of the right wall 16 of the annular wall of fusion device body 1 along front and rear to setting
Rectangular blind hole 21, be distributed according to above-below direction between two blind holes 21.And the inner surface in left wall 14 is not set
Such blind hole is put, left wall 14 is primarily due to and is already provided with corresponding slot device 14-1 and instrument hole 14-2, if including again
If portion sets blind hole, integrally-built stability can be influenceed.After fusion device is attached in human body, with the growth of sclerotin,
Part sclerotin enters blind hole 21, is attached on fusion device, the combination of sclerotin and fusion device is better achieved, also keeps away to a certain extent
The defects of processing is exempted from.
Fig. 7 is the Thoracolumbar disk vertebra Invasive lumbar fusion device of the present embodiment in intervertebral(Between T1-S1)Assembling schematic diagram, fusion device number
Measure as two, approaches are from upper segments through posterior-lateral approach.Reality first beats the remaining cartilage of intervertebral and broken bone in assembling process
Mill suitably to the size of fusion device, then by remnants cartilage and broken bone load Thoracolumbar disk Invasive lumbar fusion device implantation region 17 and
In bone grafting hole 18, Thoracolumbar disk Invasive lumbar fusion device is then delivered to specified location with delivery instrument.
Claims (7)
1. a kind of Thoracolumbar disk Invasive lumbar fusion device, for by 3D printer by the structural member of titanium alloy material one printing shaping, its
It is characterised by:The Invasive lumbar fusion device by up/down perforation fusion device body(1)And it is fused device body(1)Surround what is formed
Bone graft area(17)Composition, fusion device body(1)To enclose shape shape be in integrally kidney ellipsoid for periphery, and fusion device body(1)It is
It is made up of the different annular wall of wall thickness, so that fusion device body(1)Cross section be the different annular of thickness;Fusion device sheet
Body(1)Annular wall on intensive be provided with and the through hole that communicates of the external world, and fusion device body(1)Porosity reach 50% to
80%;
Described fusion device body(1)Annular wall include the antetheca that is sequentially connected(13), left wall(14), rear wall(15)And right wall
(16), right wall(16)And and antetheca(13)It is connected;Wherein, antetheca(13)And rear wall(15)Wall wide it is identical, be H1;Left wall
(14)And right wall(16)Wall wide it is identical, be H3, and H3 is more than H1;The outer surface of fusion device body 1 is divided into bone graft area table
Face and non-bone graft area surface, non-bone graft area surface can be divided into upper surface(11), lower surface(12)And all around surrounding is outer
Side surface, fusion device body(1)Inner surface be by antetheca(13), left wall(14), rear wall(15)And right wall(16)It is respective
Inner surface is sequentially connected and right wall(16)Inner surface and antetheca(13)Inner surface is connected and formed;Fusion device body
(1)Inner surface be bone graft area surface.
2. Thoracolumbar disk Invasive lumbar fusion device according to claim 1, it is characterised in that:Described fusion device body(1)Ring
On shape wall intensive setting through hole to be front and rear to through hole(18-1)With upward and downward through hole(18-2);Described upward and downward through hole
(18-2)Fusion device body is arranged on along the vertical direction(1)Annular wall on, and all upward and downward through holes(18-2)It is uniformly distributed,
Each upward and downward through hole(18-2)Upper port be arranged on upper surface(11)On, each upward and downward through hole(18-2)Lower port be arranged on
Lower surface(12)On;Described is front and rear to through hole(18-1)Antetheca is arranged on along the longitudinal direction(13)Go up and be arranged on rear wall(15)
On.
3. Thoracolumbar disk Invasive lumbar fusion device according to claim 1, it is characterised in that:Described fusion device body(1)Before
Backward wall wide is H1, width 4-6mm;It is front and rear to beam overall be H2, width 18-26mm;Left and right is H3 to wall wide, and width is
10-16mm;Left and right is H4 to beam overall, is 80-120mm.
4. Thoracolumbar disk Invasive lumbar fusion device according to claim 1, it is characterised in that:Described fusion device body(1)Ring
Shape wall is provided with several flank of tooth groovings(20), it is symmetric in the lower surface of annular wall(12)With upper surface(11)On;Non-
The lower surface of bone graft area(12)On, two flank of tooth groovings are provided with along the longitudinal direction(20), and be located at and close on left wall(14)Under
Surface(12)On;And in the lower surface of non-bone graft area(12)On be additionally provided with three flank of tooth groovings in left-right direction(20), wherein
Two respectively positioned at closing on antetheca(13)And rear wall(15)Lower surface(12)Upper and be parallel to each other, also one positioned at closing on the right side
Wall(16)Lower surface on and be set in parallel in two other flank of tooth grooving(20);In addition, the upper surface of non-bone graft area(11)On
Relative to lower surface(12)It is arranged with corresponding two sagittal flank of tooth groovings(20)With three or so to flank of tooth grooving
(20).
5. Thoracolumbar disk Invasive lumbar fusion device according to claim 1, it is characterised in that:Described fusion device body(1)It is upper
Surface(11)And lower surface(12)On be each respectively equipped with the fixing tooths of multiple anti-backs(19).
6. Thoracolumbar disk Invasive lumbar fusion device according to claim 1, it is characterised in that:Described fusion device body(1)
Left wall(14)Provided with two symmetrical slot devices(14-1), two slot devices(14-1)Central part be additionally provided with an instrument hole
(14-2), described instrument hole(14-2)To penetrate left wall(14)Through hole.
7. Thoracolumbar disk Invasive lumbar fusion device according to claim 1, it is characterised in that:Described fusion device body(1)The right side
Wall(16)It is provided with two rectangular blind holes(21), right wall is distributed in above-below direction(16)Inner surface.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110584845A (en) * | 2019-10-10 | 2019-12-20 | 广东省新材料研究所 | Human body intervertebral fusion cage structure and preparation method thereof |
CN111568610A (en) * | 2020-05-29 | 2020-08-25 | 四川大学华西医院 | Lateral front approach cervical interbody fusion cage and matched bone grafting tool |
CN112402068A (en) * | 2019-08-23 | 2021-02-26 | 北京智塑健康科技有限公司 | Intervertebral fusion cage |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200987698Y (en) * | 2006-12-26 | 2007-12-12 | 赵杰 | Lumbar vertebrae intervertebral fuse |
CN201164511Y (en) * | 2008-03-03 | 2008-12-17 | 曼德卡姆有限公司 | Artificial hip joint acetabulum exterior lining |
US20100228296A1 (en) * | 2009-03-04 | 2010-09-09 | Robert Tod Vraney | Implant for mammalian bony segment stabilization |
US20130116793A1 (en) * | 2010-07-23 | 2013-05-09 | Privelop-Spine Ag | Surgical implant |
CN204219097U (en) * | 2014-11-26 | 2015-03-25 | 江苏金鹿集团医疗器械有限公司 | A kind of Invasive lumbar fusion device |
CN204581605U (en) * | 2015-04-28 | 2015-08-26 | 冯法博 | Invasive lumbar fusion device |
CN106551733A (en) * | 2016-11-08 | 2017-04-05 | 中国人民解放军第七五医院 | A kind of fixed lumbar intervertebral fusion fixing device of titanium nail |
CN206273257U (en) * | 2016-08-29 | 2017-06-23 | 上海交通大学医学院附属第九人民医院 | A kind of lumbar intervertebral fusion device |
CN209004337U (en) * | 2017-10-20 | 2019-06-21 | 常州华森医疗器械有限公司 | A kind of Thoracolumbar disk Invasive lumbar fusion device |
-
2017
- 2017-10-20 CN CN201710987088.4A patent/CN107693171A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200987698Y (en) * | 2006-12-26 | 2007-12-12 | 赵杰 | Lumbar vertebrae intervertebral fuse |
CN201164511Y (en) * | 2008-03-03 | 2008-12-17 | 曼德卡姆有限公司 | Artificial hip joint acetabulum exterior lining |
US20100228296A1 (en) * | 2009-03-04 | 2010-09-09 | Robert Tod Vraney | Implant for mammalian bony segment stabilization |
US20130116793A1 (en) * | 2010-07-23 | 2013-05-09 | Privelop-Spine Ag | Surgical implant |
CN204219097U (en) * | 2014-11-26 | 2015-03-25 | 江苏金鹿集团医疗器械有限公司 | A kind of Invasive lumbar fusion device |
CN204581605U (en) * | 2015-04-28 | 2015-08-26 | 冯法博 | Invasive lumbar fusion device |
CN206273257U (en) * | 2016-08-29 | 2017-06-23 | 上海交通大学医学院附属第九人民医院 | A kind of lumbar intervertebral fusion device |
CN106551733A (en) * | 2016-11-08 | 2017-04-05 | 中国人民解放军第七五医院 | A kind of fixed lumbar intervertebral fusion fixing device of titanium nail |
CN209004337U (en) * | 2017-10-20 | 2019-06-21 | 常州华森医疗器械有限公司 | A kind of Thoracolumbar disk Invasive lumbar fusion device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112402068A (en) * | 2019-08-23 | 2021-02-26 | 北京智塑健康科技有限公司 | Intervertebral fusion cage |
CN110584845A (en) * | 2019-10-10 | 2019-12-20 | 广东省新材料研究所 | Human body intervertebral fusion cage structure and preparation method thereof |
CN110584845B (en) * | 2019-10-10 | 2023-09-15 | 广东省新材料研究所 | Human body interbody fusion cage structure and preparation method thereof |
CN111568610A (en) * | 2020-05-29 | 2020-08-25 | 四川大学华西医院 | Lateral front approach cervical interbody fusion cage and matched bone grafting tool |
CN111568610B (en) * | 2020-05-29 | 2022-12-27 | 四川大学华西医院 | Lateral front approach cervical interbody fusion cage and matched bone grafting tool |
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Address after: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Applicant after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Applicant before: CHANGZHOU WASTON MEDICAL APPLIANCE Co.,Ltd. |
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Application publication date: 20180216 |